Professor Smith promised to look ________ my paper, that is, to read it carefully before the defence.
选择一项:
A. on
B. after
C. over
出自:人文英语4

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块